High-Capacity 14500 Li-ion Battery

3.7V 500mAh rechargeable lithium-ion battery delivers stable power output for extended use. Features premium-grade lithium cobalt oxide cells with built-in protection circuit for overcharge/overdischarge prevention.

Precision Engineering for Compact Devices

Ultra-slim cylindrical design (14mm diameter x 50mm length) fits space-constrained applications. Nickel-plated steel casing ensures durability and optimal heat dissipation.

Multi-Scenario Power Solution

Ideal for LED night lights, electric shavers, mini fans, and DIY electronics projects. Compatible with most 3.7V devices requiring 10440 battery replacements with higher capacity.

Commercial-Grade Performance

500+ charge cycles with ≤20% capacity loss. CE/RoHS certified with 0.5C standard discharge rate. Bulk packaging available for OEM/wholesale buyers.

Safety-Enhanced Power Cell

Integrated PTC thermistor and venting structure prevents thermal runaway. Ships with factory charge (3.2-3.7V) for immediate use.